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CVE-2021-24684: The WordPress PDF Light Viewer Plugin WordPress plugin before 1.4.12 allows users with Author roles to execute arbitrary OS command on the server via OS Command Injection when invoking Ghostscript.

high Affects pdf-light-viewer (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The WordPress PDF Light Viewer Plugin WordPress plugin before 1.4.12 allows users with Author roles to execute arbitrary OS command on the server via OS Command Injection when invoking Ghostscript.

Package
pdf-light-viewer (WordPress plugin) WordPress
Affected versions
<1.4.12
Fixed in
1.4.12
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 4% (91.1th percentile)
Published
2021-10-18
Source
nvd

References

CWE-78
NVD recordpdf-light-viewer (WordPress plugin) advisories

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# then
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